package com.cjk.foundation.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class HttpUtil {

	private static final Logger LOGGER = LoggerFactory.getLogger(HttpUtil.class);

	/**
	 * get
	 * 
	 * @param url
	 *            URL包括参数，http://HOST/XX?XX=XX&XX=XX
	 * @param charset
	 * @return
	 */
	public static String sendGet(String url, String charset) {
		String result = "";
		BufferedReader in = null;
		try {
			URL realUrl = new URL(url);
			// 打开和URL之间的连接
			URLConnection connection = realUrl.openConnection();
			// 设置通用的请求属性
			connection.setRequestProperty("accept", "*/*");
			connection.setRequestProperty("connection", "Keep-Alive");
			connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
			// 建立实际的连接
			connection.connect();
			// 定义 BufferedReader输入流来读取URL的响应
			in = new BufferedReader(new InputStreamReader(connection.getInputStream(), charset));
			String line;
			while ((line = in.readLine()) != null) {
				result += line;
			}
		} catch (Exception e) {
			LOGGER.error("发送GET请求出现异常！" + e);
		}
		// 使用finally块来关闭输入流
		finally {
			try {
				if (in != null) {
					in.close();
				}
			} catch (Exception e2) {
				e2.printStackTrace();
			}
		}
		return result;
	}

	/**
	 * POST请求，字符串形式数据
	 * 
	 * @param url
	 * @param param
	 * @param charset
	 */
	public static String sendPostUrl(String url, String params, String charset) {
		PrintWriter out = null;
		BufferedReader in = null;
		String result = "";
		try {
			URL realUrl = new URL(url);
			// 打开和URL之间的连接
			URLConnection conn = realUrl.openConnection();
			// 设置通用的请求属性
			conn.setRequestProperty("accept", "*/*");
			conn.setRequestProperty("connection", "Keep-Alive");
			conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
			// 发送POST请求必须设置如下两行
			conn.setDoOutput(true);
			conn.setDoInput(true);
			// 获取URLConnection对象对应的输出流
			out = new PrintWriter(conn.getOutputStream());
			// 发送请求参数
			out.print(params);
			// flush输出流的缓冲
			out.flush();
			// 定义BufferedReader输入流来读取URL的响应
			in = new BufferedReader(new InputStreamReader(conn.getInputStream(), charset));
			String line;
			while ((line = in.readLine()) != null) {
				result += line;
			}
		} catch (Exception e) {
			LOGGER.error("发送 POST 请求出现异常！" + e);
		}
		// 使用finally块来关闭输出流、输入流
		finally {
			try {
				if (out != null) {
					out.close();
				}
				if (in != null) {
					in.close();
				}
			} catch (IOException ex) {
				ex.printStackTrace();
			}
		}
		return result;
	}

	/**
	 * POST请求，Map形式数据
	 * 
	 * @param url
	 * @param param
	 * @param charset
	 */
	@SuppressWarnings("deprecation")
	public static String sendPost(String url, Map<String, String> param, String charset) {
		StringBuffer buffer = new StringBuffer();
		if (param != null && !param.isEmpty()) {
			for (Map.Entry<String, String> entry : param.entrySet()) {
				buffer.append(entry.getKey()).append("=").append(URLEncoder.encode(entry.getValue())).append("&");
			}
		}
		buffer.deleteCharAt(buffer.length() - 1);
		PrintWriter out = null;
		BufferedReader in = null;
		String result = "";
		try {
			URL realUrl = new URL(url);
			// 打开和URL之间的连接
			URLConnection conn = realUrl.openConnection();
			// 设置通用的请求属性
			conn.setRequestProperty("accept", "*/*");
			conn.setRequestProperty("connection", "Keep-Alive");
			conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
			// 发送POST请求必须设置如下两行
			conn.setDoOutput(true);
			conn.setDoInput(true);
			// 获取URLConnection对象对应的输出流
			out = new PrintWriter(conn.getOutputStream());
			// 发送请求参数
			out.print(buffer);
			// flush输出流的缓冲
			out.flush();
			// 定义BufferedReader输入流来读取URL的响应
			in = new BufferedReader(new InputStreamReader(conn.getInputStream(), charset));
			String line;
			while ((line = in.readLine()) != null) {
				result += line;
			}
		} catch (Exception e) {
			LOGGER.error("发送 POST 请求出现异常！" + e);
		}
		// 使用finally块来关闭输出流、输入流
		finally {
			try {
				if (out != null) {
					out.close();
				}
				if (in != null) {
					in.close();
				}
			} catch (IOException ex) {
				ex.printStackTrace();
			}
		}
		return result;
	}
	
	public static void main(String[] args) {
		LOGGER.error("sss");
		String url = "http://{{ip}}/service/api/diagnose/schedule/network/update?access_token={{access_token}}";
		url = url.replace("{{ip}}", "172.18.139.203").replace("{{access_token}}", "8C1933983DB8407CB8FB02754299C887");
		Map<String, String> param = new HashMap<>();
		param.put("groupId", "8151");
		param.put("hour", "12");
//		param.put("groupId", value);
		String result = HttpUtil.sendPost(url, param, "utf-8");
		System.out.println(result);
	}
}
